Seiko Cal. 4537 - 985

This Hand-Winding model from 1980 features a 45mm Two-Tone case. Powered by the 4537 caliber with 29j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-6d382e7c96b4]

Also known as: Navigator, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1980

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